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Issue 11150025: Patch from https://codereview.chromium.org/11111005/ without actual file deletes (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 2 months ago
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1 // Copyright 2011 The Chromium Authors. All rights reserved. 1 // Copyright 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "config.h" 5 #include "config.h"
6 6
7 #include "GeometryBinding.h" 7 #include "GeometryBinding.h"
8 8
9 #include "third_party/khronos/GLES2/gl2.h"
9 #include "CCRendererGL.h" // For the GLC() macro. 10 #include "CCRendererGL.h" // For the GLC() macro.
10 #include "GraphicsContext3D.h"
11 #include <public/WebGraphicsContext3D.h> 11 #include <public/WebGraphicsContext3D.h>
12 12
13 namespace cc { 13 namespace cc {
14 14
15 GeometryBinding::GeometryBinding(WebKit::WebGraphicsContext3D* context, const Fl oatRect& quadVertexRect) 15 GeometryBinding::GeometryBinding(WebKit::WebGraphicsContext3D* context, const Fl oatRect& quadVertexRect)
16 : m_context(context) 16 : m_context(context)
17 , m_quadVerticesVbo(0) 17 , m_quadVerticesVbo(0)
18 , m_quadElementsVbo(0) 18 , m_quadElementsVbo(0)
19 , m_initialized(false) 19 , m_initialized(false)
20 { 20 {
21 // Vertex positions and texture coordinates for the 4 corners of a 1x1 quad. 21 // Vertex positions and texture coordinates for the 4 corners of a 1x1 quad.
22 float vertices[] = { quadVertexRect.x(), quadVertexRect.maxY(), 0.0f, 0.0f, 1.0f, 22 float vertices[] = { quadVertexRect.x(), quadVertexRect.maxY(), 0.0f, 0.0f, 1.0f,
23 quadVertexRect.x(), quadVertexRect.y(), 0.0f, 0.0f, 0. 0f, 23 quadVertexRect.x(), quadVertexRect.y(), 0.0f, 0.0f, 0. 0f,
24 quadVertexRect.maxX(), quadVertexRect.y(), 0.0f, 1.0f, 0.0f, 24 quadVertexRect.maxX(), quadVertexRect.y(), 0.0f, 1.0f, 0.0f,
25 quadVertexRect.maxX(), quadVertexRect.maxY(), 0.0f, 1. 0f, 1.0f }; 25 quadVertexRect.maxX(), quadVertexRect.maxY(), 0.0f, 1. 0f, 1.0f };
26 uint16_t indices[] = { 0, 1, 2, 0, 2, 3, // The two triangles that make up t he layer quad. 26 uint16_t indices[] = { 0, 1, 2, 0, 2, 3, // The two triangles that make up t he layer quad.
27 0, 1, 2, 3}; // A line path for drawing the layer bor der. 27 0, 1, 2, 3}; // A line path for drawing the layer bor der.
28 28
29 GLC(m_context, m_quadVerticesVbo = m_context->createBuffer()); 29 GLC(m_context, m_quadVerticesVbo = m_context->createBuffer());
30 GLC(m_context, m_quadElementsVbo = m_context->createBuffer()); 30 GLC(m_context, m_quadElementsVbo = m_context->createBuffer());
31 GLC(m_context, m_context->bindBuffer(GraphicsContext3D::ARRAY_BUFFER, m_quad VerticesVbo)); 31 GLC(m_context, m_context->bindBuffer(GL_ARRAY_BUFFER, m_quadVerticesVbo));
32 GLC(m_context, m_context->bufferData(GraphicsContext3D::ARRAY_BUFFER, sizeof (vertices), vertices, GraphicsContext3D::STATIC_DRAW)); 32 GLC(m_context, m_context->bufferData(GL_ARRAY_BUFFER, sizeof(vertices), vert ices, GL_STATIC_DRAW));
33 GLC(m_context, m_context->bindBuffer(GraphicsContext3D::ELEMENT_ARRAY_BUFFER , m_quadElementsVbo)); 33 GLC(m_context, m_context->bindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_quadElements Vbo));
34 GLC(m_context, m_context->bufferData(GraphicsContext3D::ELEMENT_ARRAY_BUFFER , sizeof(indices), indices, GraphicsContext3D::STATIC_DRAW)); 34 GLC(m_context, m_context->bufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices ), indices, GL_STATIC_DRAW));
35 35
36 m_initialized = true; 36 m_initialized = true;
37 } 37 }
38 38
39 GeometryBinding::~GeometryBinding() 39 GeometryBinding::~GeometryBinding()
40 { 40 {
41 GLC(m_context, m_context->deleteBuffer(m_quadVerticesVbo)); 41 GLC(m_context, m_context->deleteBuffer(m_quadVerticesVbo));
42 GLC(m_context, m_context->deleteBuffer(m_quadElementsVbo)); 42 GLC(m_context, m_context->deleteBuffer(m_quadElementsVbo));
43 } 43 }
44 44
45 void GeometryBinding::prepareForDraw() 45 void GeometryBinding::prepareForDraw()
46 { 46 {
47 GLC(m_context, m_context->bindBuffer(GraphicsContext3D::ARRAY_BUFFER, quadVe rticesVbo())); 47 GLC(m_context, m_context->bindBuffer(GL_ARRAY_BUFFER, quadVerticesVbo()));
48 GLC(m_context, m_context->bindBuffer(GraphicsContext3D::ELEMENT_ARRAY_BUFFER , quadElementsVbo())); 48 GLC(m_context, m_context->bindBuffer(GL_ELEMENT_ARRAY_BUFFER, quadElementsVb o()));
49 unsigned offset = 0; 49 unsigned offset = 0;
50 GLC(m_context, m_context->vertexAttribPointer(positionAttribLocation(), 3, G raphicsContext3D::FLOAT, false, 5 * sizeof(float), offset)); 50 GLC(m_context, m_context->vertexAttribPointer(positionAttribLocation(), 3, G L_FLOAT, false, 5 * sizeof(float), offset));
51 offset += 3 * sizeof(float); 51 offset += 3 * sizeof(float);
52 GLC(m_context, m_context->vertexAttribPointer(texCoordAttribLocation(), 2, G raphicsContext3D::FLOAT, false, 5 * sizeof(float), offset)); 52 GLC(m_context, m_context->vertexAttribPointer(texCoordAttribLocation(), 2, G L_FLOAT, false, 5 * sizeof(float), offset));
53 GLC(m_context, m_context->enableVertexAttribArray(positionAttribLocation())) ; 53 GLC(m_context, m_context->enableVertexAttribArray(positionAttribLocation())) ;
54 GLC(m_context, m_context->enableVertexAttribArray(texCoordAttribLocation())) ; 54 GLC(m_context, m_context->enableVertexAttribArray(texCoordAttribLocation())) ;
55 } 55 }
56 56
57 } // namespace cc 57 } // namespace cc
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